¶ Tensegrity: Twelve Pentagons
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Index Entry
Tensegrity: Twelve Pentagons:
"The aggregate of all the inter-great-circlings resolve themselves typically into a regular pattern of 12 pentagons and 20 triangles; or sometimes more complexedly, into 12 pentagons, 30 hexagons, and 80 triangles described by 240 great circle chords.
“This is the pattern of the geodesic tensegrity sphere. The numbers of hexagons and triangles and chords can be multiplied in regular arithmetical-geometrical series, but the 12 pentagons, and only 12, will persist as constants; as will also the number of triangles occur in multiples of 20; and the number of edges will always be multiples of six.”
¶ Citations
- SET X, p.15, Aug’72
